package com.ayf.payment.game.api.utils;

import com.swwx.charm.commons.lang.utils.LogPortal;

import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Iterator;
import java.util.Map;

/**
 * @author wwl
 * @description:
 * @date 2020/5/18 17:28
 */
public class HttpPostUrl {
    /**
     * 向指定URL发送POST请求
     * @param url
     * @param paramMap
     * @return 响应结果
     */
    public static String sendPost(String url, Map<String, String> paramMap,String traceId)  throws IOException {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        long startTime = System.currentTimeMillis();
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "UTF-8");
            conn.setRequestProperty("Charset", "UTF-8");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());

            // 设置请求属性
            String param = "";
            if (paramMap != null && paramMap.size() > 0) {
                Iterator<String> ite = paramMap.keySet().iterator();
                while (ite.hasNext()) {
                    String key = ite.next();// key
                    String value = paramMap.get(key);
                    param += key + "=" + value + "&";
                }
                param = param.substring(0, param.length() - 1);
            }
            LogPortal.info("{} 请求参数报文:{}",traceId,param);

            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"GBK"));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            long endTime = System.currentTimeMillis();
            LogPortal.info("{} 耗时:{}ms，响应参数报文:{}",traceId,(endTime-startTime),result);
        } catch (Exception e) {
            LogPortal.error("{} 发送{}异常",e,traceId,e.getClass().getName());
            throw new IOException(e);
        }
        // 使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                throw new IOException(ex);
            }
        }
        return result;
    }

    /**
     * 数据流post请求
     * @param urlStr
     * @param strInfo
     */
    public static String doPost(String urlStr, String strInfo) {
        String reStr="";
        try {
            URL url = new URL(urlStr);
            URLConnection con = url.openConnection();
            con.setDoOutput(true);
            con.setRequestProperty("Pragma:", "no-cache");
            con.setRequestProperty("Cache-Control", "no-cache");
            con.setRequestProperty("Content-Type", "text/xml");
            OutputStreamWriter out = new OutputStreamWriter(con.getOutputStream());
            out.write(new String(strInfo.getBytes("utf-8")));
            out.flush();
            out.close();
            BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(), "utf-8"));
            String line = "";
            for (line = br.readLine(); line != null; line = br.readLine()) {
                reStr += line;
            }
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return reStr;
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param,String traceId) throws IOException {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        long startTime = System.currentTimeMillis();
        try {
            LogPortal.info("{} 请求参数报文:{}",traceId,param);
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"UTF-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            long endTime = System.currentTimeMillis();
            LogPortal.info("{} 耗时:{}ms，响应参数报文:{}",traceId,(endTime-startTime),result);
        } catch (Exception e) {
            LogPortal.error("{} 发送{}异常",e,traceId,e.getClass().getName());
            throw new IOException(e);
        }finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                throw new IOException(ex);
            }
        }
        return result;
    }

    public static String sendPost2(String url, String param,String traceId) throws IOException {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        long startTime = System.currentTimeMillis();
        try {
            LogPortal.info("{} 请求参数报文:{}",traceId,param);
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"GB2312"));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            long endTime = System.currentTimeMillis();
            LogPortal.info("{} 耗时:{}ms，响应参数报文:{}",traceId,(endTime-startTime),result);
        } catch (Exception e) {
            LogPortal.error("{} 发送{}异常",e,traceId,e.getClass().getName());
            throw new IOException(e);
        }finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                throw new IOException(ex);
            }
        }
        return result;
    }

}
